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In this paper, the coupling effect of extension and bending in functionally graded plate subjected to transverse loading for Kirchhoff-Love plate theory equations is studied. The material properties of the FG plates are assumed to vary continuously throughout the thickness direction of the layer according to sigmoid distribution of the volume fractions of constituents. The two plate functionals are...
In mixed finite element formulation, the fundamental difference among the various approaches depend on the variational principles such as the Hellinger-Reissner, the Hu-Washizu and the Gateaux differential which is introduced by Omurtag et al. [5-9] to the literature in the recent years. In this paper, a functional for interaction of orthotropic plate-foundation is obtained by using the Gateaux differential...
In this research, using the Gateaux differential, an efficient computational procedure is presented and a new functional with geometric and dynamic boundary conditions is obtained for orthotropic cylindrical shells. A mixed finite element (ORTHO36) is generated which is a conforming, rectangular (four-noded), isoparametric serendipity family element and has 4 9 degrees of freedom. The existence...
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